Rathkenny : Portal Tomb

Grid RefN 888 797
Longitude6° 39' 12.34" W
Latitude53° 45' 33.52" N
ITM east480366
ITM north584435
Nearest TownNobber (9.3 Km)
OS Sheet42
UTM zone29U
UTM x449041
UTM y5761192
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Visit Notes

Sunday, 27th January 2002

There is not much left of this tomb, just one upright and the capstone leaning against it. The underside of the capstone is very smooth and the upper face is covered in tiny natural cup marks.

The whole structure is just 1.4m tall and about 2m square.

I was lucky in that when I drove along the private road that leads to this site I passed the owner and asked her permission to look, which she keenly gave along with good directions.

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Like this monument

Marked Sites


From Navan take the R162 north and then turn right at the first junction after you pass the R163. At the second crossroads turn right. Go straight over the next crossroads and turn left at the next. After a little over 1km take a left fork and follow the road until it becomes a long private driveway. Continue up to the large house and ask there to see the tomb. They are very obliging. If there is no answer then the tomb is just on a small ridge about 300m east of the house.

Random Gazetteer

A Selection of Other Portal Tombs

About Coordinates Displayed

This is an explanation of (and a bit of a disclaimer for) the coordinates I provide.

Where a GPS figure is given this is the master for all other coordinates. According to my Garmin these are quite accurate.

Where there is no GPS figure the 6 figure grid reference is master for the others. This may not be very accurate as it could have come from the OS maps and could have been read by eye. Consequently, all other cordinates are going to have inaccuracies.

The calculation of Longitude and Latitude uses an algorithm that is not 100% accurate. The long/lat figures are used as a basis for calculating the UTM & ITM coordinates. Consequently, UTM & ITM coordinates are slightly out.

UTM is a global coordinate system - Universal Transverse Mercator - that is at the core of the GPS system.

ITM is the new coordinate system - Irish Transverse Mercator - that is more accurate and more GPS friendly than the Irish Grid Reference system. This will be used on the next generation of Irish OS maps.

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